SP-5728T,SPEAKER 90DB SENSITIVITY 57MM DI
SP5742PFK1AKLQ5R,IC MCU 32BIT 1.5MB FLASH 144LQFP
SP5742PFK1AMLQ8R,IC MCU 32BIT 1.5MB FLASH 144LQFP
SP5742PFK1AMLQ9R,IC MCU 32BIT 1.5MB FLASH 144LQFP
SP5743PFK1AMLQ9R,IC MCU 32BIT 2MB FLASH 144LQFP
SP5744BBK1AMKU6R,IC MCU 32BIT 1.5MB FLASH 176LQFP
SP5744BBK1AMMH2R,IC MCU 32B 1.5MB FLASH 100MAPBGA
SP5744BBK1AVKU2R,IC MCU 32BIT 1.5MB FLASH 176LQFP